Home / 3,127,543.63-4,315,981.04-1,769,416.63

Finding the Fourth Proportional to 3,127,543.63, 4,315,981.04 and 1,769,416.63

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Solution

The fourth proportional to 3,127,543.63, 4,315,981.04 and 1,769,416.63 is: 2,441,778.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,127,543.63 : 4,315,981.04 = 1,769,416.63 : x
  2. Step 2: Convert to fraction form
    3,127,543.63/4,315,981.04 = 1,769,416.63/x
  3. Step 3: Cross multiply
    3,127,543.63x = 4,315,981.04 × 1,769,416.63
  4. Step 4: Simplify right side
    3,127,543.63x = 7,636,768,626,940.69
  5. Step 5: Solve for x
    x = 7,636,768,626,940.69/3,127,543.63
  6. Step 6: Final answer
    x = 2,441,778.45

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.